Lab Home Coworkers and Collaborators Selected Publications Research Expertise



Principal Investigator:
Janis Lem, Ph.D.
Assistant Professor of Ophthalmology,
Tufts University School of Medicine

PhD, Microbiology, University of Southern California, Los Angeles, CA, 1987

New England Eye Center
260 Tremont Street
Biewend Building, 9th Floor
Boston, MA 02111
NEEC Research

Phone:  

FAX: 

EMail Address:
janis.lem@tufts.edu


Program in Cellular and Molecular Biology

Sackler School

Medical School

 

 

Selected Publications

Mendez, A., Lem, J., Simon. M., and Chen, J. Light-dependent translocation of arrestin in the absence of rhodopsin phosphorylation and transducin signaling. (2003) J. Neurosci. 23:3124-3129.

Hattar, S., Lucas, R.J., Mrosovsky, N., Thompson, S., Douglas, R.H., Hankins, M.W., Lem, J., Biel, M., Hofmann, F., Foster, R.G. and Yau, K.-W. (2003) Melanopsin and rod-cone photoreceptive systems account for all major accessory visual functions in mice. Nature 424:76-81.


Martemyanov, K.A., Lishko, P.V., Calero, N., Keresztes, G.T., Sokolov, M., Strissel, K.J., Leskov, I.B., Hopp, JA., Kolesnikov, A.V., Chen, C.-K., Lem, J., Heller, S., Burns, M.E. and Arshavsky, V.Y. (2003) The DEP domain determines subcellular targeting of the GTPase activating protein RGS9 in vivo. J. Neurosci. (In Press).

Woodruff, M.L., Wang, Z., Chung, H.Y., Redmond, T.M., Fain, G.L., and Lem, J. (2003) Spontaneous activity of opsin apoprotein is a cause of Leber congenital amaurosis. Nat. Genet. 35:158-164.

Brill, E., Patnala, S., Lem, J. and Obin, M. (2003) Bright Light Induces Retinal Degeneration by a Transducin-Independent Mechanism. Advances in Experimental Medicine and Biology; Retinal Degeneration: Mechanisms and Experimental Therapy. M.M. LaVail, J.G. Hollyfield, and R.E. Anderson, eds. Kluwer Academic/Plenum Publishers, New York, pp. 213-219.

Makino, C., Wen, X.-H., and Lem, J. (2003) Piecing together the timetable for visual transduction with transgenic animals. Current Opinion in Neurobiology 13:404-412.

Hao, W., Wenzel, A., Obin, M.S., Chen, C-K., Brill, E., Krasnoperova, N.V., Eversole-Cire, P., Kleyner, Y., Taylor, A., Simon, M.I., Grimm, C., Remé, C.E. and Lem, J. Evidence for Two Apoptotic Pathways in Light-Induced Retinal Degenerations. (2002) Nature Genetics: 32: 254-260.

Woodruff ML, Sampath AP, Matthews HR, Krasnoperova NV, Lem JL, Fain GL. Measurement of cytoplasmic calcium concentration in the rods of wild-type and transducin knock-out mice. J of Physiology 542.3:843-854, 2002.

Lyubarsky AL, Lem J, Chen J, Falsini B, Iannaccone A, Pugh Jr EN. Functionally rodless mice: transgenic models for the investigation of cone function in retinal disease and therapy. Vision Research 42:401-415, 2002.

Calvert PD, Govardovskii VI, Krasnoperova N, Anderson RE, Lem J, Makino CL. Effect of rhodopsin membrane density on the speed of rod phototransduction. Nature 411:90-94, 2001.
Calvert PD, Krasnoperova NV, Lyubarsky AL, Isayama T, Nicolo M, Kosaras B, Wong G, Gannon KS, Margolskee RF, Sidman RL, Pugh EN Jr, Makino CL, Lem J. Phototransduction in transgenic mice after targeted deletion of the rod transducin a-subunit. Proc Natl Acad Sci USA 97:13913-13918, 2000.

Program in Cell, Molecular, and Developmental Biology
136 Harrison Avenue, 5th Floor
Boston, MA 02111 617-636-6685

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page last modified 11/24/03